CN111733879A - Assembled utility tunnel's shock attenuation watertight fittings - Google Patents
Assembled utility tunnel's shock attenuation watertight fittings Download PDFInfo
- Publication number
- CN111733879A CN111733879A CN202010663610.5A CN202010663610A CN111733879A CN 111733879 A CN111733879 A CN 111733879A CN 202010663610 A CN202010663610 A CN 202010663610A CN 111733879 A CN111733879 A CN 111733879A
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- Prior art keywords
- damping
- energy dissipation
- pipe gallery
- reinforcing
- elastic energy
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- 230000035939 shock Effects 0.000 title claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 238000013016 damping Methods 0.000 claims abstract description 37
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides an assembled utility tunnel's shock attenuation watertight fittings, belongs to underground infrastructure technical field. Assembled utility tunnel's shock attenuation watertight fittings, including piping lane body, back up coat, shock-absorbing structure, support column and ground top layer, gravel bearing basic unit has been laid to the bottom of piping lane body, the lateral wall fixedly connected with back up coat of piping lane body, the inner wall of back up coat is inlayed and is had a plurality of reinforced structure. According to the invention, the vibration energy transmitted to the pipe gallery structure by the ground dynamic load and the static load is resisted through the two anti-vibration structures of the damping structure and the elastic energy dissipation plate which slides up and down in the slide way, so that the shock insulation effect is realized, the bearing capacity and the ground load impact resistance of the comprehensive pipe gallery are enhanced, meanwhile, the structural rigidity of the comprehensive pipe gallery is improved by installing a plurality of reinforcing structures in the reinforcing layer, and the instability of the structure of the comprehensive pipe gallery is prevented.
Description
Technical Field
The invention relates to the technical field of lower infrastructure, in particular to a damping and waterproof device of an assembled comprehensive pipe gallery.
Background
The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing city operation.
The construction of utility tunnel is energetically going on, and the region that utility tunnel reachd also can be more and more extensive. The utility tunnel plays an important role in meeting the basic demands of the civilian life and improving the comprehensive bearing capacity of the city, and reduces the cost of repeated repair of the road surface and the maintenance cost of the engineering pipeline. The integrity of the road surface and the durability of various pipelines are maintained, and the laying, increasing, decreasing, maintaining and daily management of various pipelines are facilitated. And the pipelines are put into the ground together, thus reducing the contradiction between overhead lines and greening.
But ordinary utility tunnel can only bear the various load impact on ground in a short time, is difficult to reach long-term antidetonation effect, and ordinary utility tunnel structural rigidity and intensity design are obvious not enough, and water-proof effects is poor, does not possess specific waterproof construction, has the potential safety hazard, has also influenced whole public municipal operation like this, brings inconvenience for the resident life.
The slab at utility tunnel top directly bears dynamic load and dead load, the both sides wall body not only will bear the dynamic load and the dead load of top slab, still bear the lateral load of side soil layer, consequently for the bearing capacity of reinforcing utility tunnel and the ability of resisting ground load impact, prevent the structural instability, the wall needs to set up very thick, and this kind of structure is through cast in situ or prefab preparation, the engineering volume is big, the construction cycle is long, the construction cost is high, be unfavorable for anti-seismic utility tunnel's long-term using widely, can greatly increased construction maintenance cost, and traditional city utility tunnel does not have buffering and absorbing safeguard measure, the very easily harms body is rocked in the pipeline during operation production, pipeline life has been reduced.
Disclosure of Invention
In order to solve the problems of weak structural rigidity, poor anti-seismic effect and poor waterproof performance of the comprehensive pipe gallery in the prior art, the invention provides the shock absorption and waterproof device of the assembly type comprehensive pipe gallery.
The invention provides a damping and waterproof device of an assembled comprehensive pipe gallery, which comprises a pipe gallery body, a reinforcing layer, a damping structure, a supporting column and a ground surface layer, a gravel bearing base layer is laid at the bottom of the pipe gallery body, a reinforcing layer is fixedly connected to the outer side wall of the pipe gallery body, a plurality of reinforcing structures are embedded in the inner wall of the reinforcing layer, a shock absorption structure is fixedly arranged at the top of the reinforcing layer, supporting columns are fixedly arranged at the left end and the right end of the top of the shock absorption structure, a slideway is arranged at the sunken part of the side wall of each supporting column, the inner wall of the slideway is connected with a sliding block in a sliding way, an elastic energy dissipation plate is fixedly connected between the two sliding blocks, the top of the elastic energy dissipation plate is fixedly connected with a waterproof plate, the upper surface of the waterproof plate is provided with a plurality of grooves, the waterproof plate is positioned below the surface layer, and backfill soil is filled around the reinforcing layer, the damping structure and the supporting columns;
the damping structure is a cavity structure formed by enclosing an extrusion supporting plate and a lateral supporting plate, the upper end and the lower end of an inner cavity of the damping structure are fixedly connected with one end of a plurality of second elastic energy dissipation rods, the other end of each second elastic energy dissipation rod is connected with an arc energy dissipation steel plate in a specified mode, the two arc energy dissipation steel plates are directly and fixedly connected with compression springs, and a damping spring is connected between the arc energy dissipation steel plates in each horizontal direction.
As a further improvement of the invention, the reinforcing structure comprises a reinforcing shell, and the inner wall of the reinforcing shell is connected with a first reinforcing rib and a second reinforcing rib in a staggered mode.
As a further improvement of the invention, a waterproof film is adhered to the inner wall of the pipe gallery body, and the waterproof film is specifically butadiene rubber.
As a further improvement of the invention, a plurality of second loop bars are fixedly mounted on the lower surface of the elastic energy consumption plate, first loop bars are fixedly mounted on the lower surface of the sliding block, first elastic energy consumption bars are sleeved on the inner walls of the second loop bars and the inner walls of the first loop bars, and the bottom of each first elastic energy consumption bar is fixedly connected with an extrusion support plate.
As a further improvement of the present invention, the first loop bar, the second loop bar, the first elastic dissipative rod and the second elastic dissipative rod are made of high damping rubber.
As a further improvement of the invention, clamping plates are respectively screwed between the two side supporting plates and the supporting columns through expansion bolts.
As a further improvement of the invention, the extrusion support plate, the side support plates, the elastic energy dissipation plate and the arc-shaped energy dissipation steel plate are all made of low-yield-point energy dissipation steel plates.
As a further improvement of the invention, the compression spring and the damping spring are both made of high-strength springs.
Has the advantages that: the invention resists the vibration energy transmitted to the pipe gallery structure by the ground dynamic load and the static load through the shock absorption structure and the two shock-proof structures of the elastic energy dissipation plate sliding up and down in the slideway, realizes the shock insulation effect, enhances the bearing capacity of the comprehensive pipe gallery and the ground load impact resistance, simultaneously improves the structural rigidity of the comprehensive pipe gallery by installing a plurality of reinforcing structures in the reinforcing layer, prevents the instability of the comprehensive pipe gallery structure, thereby reducing the harm brought by the load impact to the pipe gallery and the personnel and objects in the pipe gallery, and has great significance for the construction of the underground infrastructure field. Can prevent the pipe gallery from being damaged by load impact to cause a series of major accidents, and has strong practicability and wide applicability.
Drawings
Fig. 1 is a schematic structural view of a shock-absorbing and waterproof device of an assembled comprehensive pipe rack provided by the invention;
FIG. 2 is a schematic structural diagram of a reinforcing structure in the damping and waterproofing device of the fabricated comprehensive pipe rack provided by the invention;
FIG. 3 is an enlarged schematic view of the position A of the damping and waterproofing device of the fabricated comprehensive pipe rack provided by the invention;
fig. 4 is a schematic structural diagram of a shock-absorbing structure in the shock-absorbing and waterproof device of the fabricated comprehensive pipe rack provided by the invention.
In the figure, 1 is a pipe gallery body, 2 is a waterproof film, 3 is a reinforcing layer, 4 is a reinforcing structure, 401 is a reinforcing shell, 402 is a first reinforcing rib, 403 is a second reinforcing rib, 5 is a shock-absorbing structure, 501 is an extrusion supporting plate, 502 is a lateral supporting plate, 6 is a gravel bearing base layer, 7 is a supporting column, 701 is a slideway, 8 is a sliding block, 9 is an elastic energy dissipation plate, 10 is a waterproof plate, 11 is a groove, 12 is a first loop bar, 13 is a second loop bar, 14 is a first elastic energy dissipation bar, 15 is surface soil, 16 is a clamping plate, 17 is an expansion bolt, 18 is a second elastic energy dissipation bar, 19 is an arc-shaped energy dissipation steel plate, 20 is a compression spring, 21 is a shock-absorbing spring, and 22 is backfilled soil.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1-4, the invention provides a damping waterproof device of an assembled comprehensive pipe gallery, which comprises a pipe gallery body 1, a reinforcing layer 3, a damping structure 5, support columns 7 and a ground surface layer 15, wherein a gravel load-bearing base layer 6 is paved at the bottom of the pipe gallery body 1, the reinforcing layer 3 is fixedly connected to the outer side wall of the pipe gallery body 1, a plurality of reinforcing structures 4 are embedded in the inner wall of the reinforcing layer 3, the reinforcing structures 4 are used for improving the structural rigidity of the pipe gallery and preventing the instability of the structure of the comprehensive pipe gallery, the damping structure 5 is fixedly installed at the top of the reinforcing layer 3, the support columns 7 are fixedly installed at the left end and the right end of the top of the damping structure 5, a slide 701 is arranged at the concave part of the side wall of each support column 7, the inner wall of the slide 701 is slidably connected with slide blocks 8, an elastic energy dissipation plate 9 is fixedly connected between the two slide blocks 8, and the slide blocks 701 in the support columns 7 The shock-proof and primary shock-proof effects are achieved, a waterproof plate 10 is fixedly connected to the top of the elastic energy consumption plate 9, a plurality of grooves 11 are formed in the upper surface of the waterproof plate 10, the grooves 11 are used for collecting rainwater, so that the rainwater is gathered into the grooves 11 through the waterproof plate 10, meanwhile, a water absorbing material is laid at the bottom of each groove 11 and used for absorbing water to be dry, the waterproof plate 10 plays a waterproof role, the waterproof plate 10 is located below a ground surface layer 15, and backfill soil is filled around the reinforcing layer 3, the shock absorption structure 5 and the supporting columns 7;
the damping structure 5 is a cavity structure enclosed by an extrusion support plate 501 and a lateral support plate 502, the upper end and the lower end of the inner cavity of the damping structure 5 are fixedly connected with one end of a plurality of second elastic energy consumption rods 18, the other end of each second elastic energy consumption rod 18 is fixedly connected with an arc energy consumption steel plate 19, the two arc energy consumption steel plates 19 are directly and fixedly connected with compression springs 20, and a damping spring 21 is connected between the arc energy consumption steel plates 19 in each horizontal direction.
As a further improvement of the present invention, the reinforcing structure 4 comprises a reinforcing housing 401, and a first reinforcing rib 402 and a second reinforcing rib 403 are alternately connected to the inner wall of the reinforcing housing 401.
As a further improvement of the present invention, in order to further enhance the waterproof performance of the present invention, a waterproof film 2 is adhered to the inner wall of the pipe gallery body 1, and the waterproof film 2 is specifically butadiene rubber.
As a further improvement of the present invention, in order to primarily buffer the pressure and impact force of the ground on the pipe gallery body 1, the lower surface of the elastic energy consumption plate 9 is fixedly provided with a plurality of second sleeve rods 13, the lower surface of the slider 8 is fixedly provided with first sleeve rods 12, the inner walls of the second sleeve rods 13 and the first sleeve rods 12 are respectively sleeved with first elastic energy consumption rods 14, the bottom of each first elastic energy consumption rod 14 is fixedly connected with an extrusion support plate 501, the second sleeve rods 13 and the first sleeve rods 12 have the same structural shape and different lengths, and the lengths of the second sleeve rods 13 are both smaller than the lengths of the first sleeve rods 12.
As a further improvement of the present invention, the first sleeve rod 12, the second sleeve rod 13, the first elastic dissipative rod 14 and the second elastic dissipative rod 18 are made of high damping rubber.
In order to connect the damping structure 5 and the supporting column 7 more stably, two clamping plates 16 are respectively screwed between the side supporting plates 502 and the supporting column 7 through an expansion bolt 17, and the clamping plates 16 are in an L-shaped structure with an included angle larger than a right angle.
As a further improvement of the invention, the extrusion support plate 501, the side support plates 502, the elastic energy dissipation plate 9 and the arc-shaped energy dissipation steel plate 19 are all made of low yield point energy dissipation steel plates.
As a further improvement of the present invention, the compression spring 20 and the damping spring 21 are both made of high-strength springs, the compression spring 20 is a spring for performing a main damping function, the damping spring 21 is a spring for performing an auxiliary function, and the compression spring 20 and the damping spring 21 damp the pipe gallery body 1 in the vertical direction and the horizontal direction simultaneously, so that the bearing capacity and the ground load impact resistance of the utility tunnel are enhanced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an assembled utility tunnel's shock attenuation watertight fittings, includes pipe gallery body (1), back up coat (3), shock-absorbing structure (5), support column (7) and ground top layer (15), its characterized in that: the gravel bearing base layer (6) is laid at the bottom of the pipe gallery body (1), the outer side wall of the pipe gallery body (1) is fixedly connected with the reinforcing layer (3), the inner wall of the reinforcing layer (3) is inlaid with a plurality of reinforcing structures (4), the top of the reinforcing layer (3) is fixedly provided with a damping structure (5), the left end and the right end of the top of the damping structure (5) are fixedly provided with supporting columns (7), a slide (701) is arranged at the side wall depression of each supporting column (7), the inner wall of the slide (701) is slidably connected with a sliding block (8), an elastic energy dissipation plate (9) is fixedly connected between the two sliding blocks (8), the top of the elastic energy dissipation plate (9) is fixedly connected with a waterproof plate (10), the upper surface of the waterproof plate (10) is provided with a plurality of grooves (11), and the waterproof plate (10) is positioned below the ground surface layer (, backfill soil is filled around the reinforcing layer (3), the damping structure (5) and the supporting columns (7);
shock-absorbing structure (5) are the cavity structure that is enclosed by extrusion backup pad (501) and lateral part backup pad (502), the upper and lower both ends fixedly connected with one end of a plurality of second elasticity power consumption pole (18) of shock-absorbing structure (5) inner chamber, every the other end rule of second elasticity power consumption pole (18) is connected with arc power consumption steel sheet (19), two arc power consumption steel sheet (19) direct fixedly connected with compression spring (20), and be connected with damping spring (21) between the arc power consumption steel sheet (19) of every horizontal direction.
2. The shock-absorbing and waterproof device for the fabricated comprehensive pipe rack is characterized in that the reinforcing structure (4) comprises a reinforcing shell (401), and the inner wall of the reinforcing shell (401) is connected with a first reinforcing rib (402) and a second reinforcing rib (403) in a staggered mode.
3. The damping and waterproof device of the assembled comprehensive pipe rack as claimed in claim 1, wherein the inner wall of the pipe rack body (1) is pasted with a waterproof film (2), and the waterproof film (2) is specifically butadiene rubber.
4. The damping and waterproof device for the assembled comprehensive pipe gallery according to claim 3, wherein a plurality of second loop bars (13) are fixedly mounted on the lower surface of the elastic energy dissipation plate (9), first loop bars (12) are fixedly mounted on the lower surface of the sliding block (8), first elastic energy dissipation bars (14) are sleeved on the inner walls of the second loop bars (13) and the first loop bars (12), and the bottom of each first elastic energy dissipation bar (14) is fixedly connected with the extrusion support plate (501).
5. The assembled utility tunnel damping and waterproofing device according to claim 4, wherein the first loop bar (12), the second loop bar (13), the first elastic energy dissipation bar (14) and the second elastic energy dissipation bar (18) are made of high damping rubber.
6. The assembled comprehensive pipe gallery damping and waterproofing device according to claim 1, wherein clamping plates (16) are respectively screwed between the two side supporting plates (502) and the supporting columns (7) through expansion bolts (17).
7. The assembled comprehensive pipe gallery damping and waterproofing device according to claim 1, wherein the extrusion support plates (501), the side support plates (502), the elastic energy dissipation plates (9) and the arc-shaped energy dissipation steel plates (19) are made of low yield point energy dissipation steel plates.
8. The assembled utility tunnel damping and waterproofing device according to claim 1, wherein the compression spring (20) and the damping spring (21) are made of high-strength springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663610.5A CN111733879A (en) | 2020-07-10 | 2020-07-10 | Assembled utility tunnel's shock attenuation watertight fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663610.5A CN111733879A (en) | 2020-07-10 | 2020-07-10 | Assembled utility tunnel's shock attenuation watertight fittings |
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| Publication Number | Publication Date |
|---|---|
| CN111733879A true CN111733879A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010663610.5A Pending CN111733879A (en) | 2020-07-10 | 2020-07-10 | Assembled utility tunnel's shock attenuation watertight fittings |
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| CN101906882A (en) * | 2010-07-06 | 2010-12-08 | 华南理工大学 | Method for carrying out earthquake-resistance and strengthening on traditional masonry structure by using steel parts |
| CN204476431U (en) * | 2015-01-20 | 2015-07-15 | 山西省交通科学研究院 | A kind of flow guiding water-proof plate for tunnel and underground construction |
| KR20160030746A (en) * | 2014-09-11 | 2016-03-21 | 한국전력공사 | Seismic reinforcement device for underground structure |
| CN105971304A (en) * | 2016-07-12 | 2016-09-28 | 温丽明 | Outer-jacketing frame for reinforcement and transformation of building structure |
| CN108253069A (en) * | 2018-03-15 | 2018-07-06 | 河南趣读信息科技有限公司 | A kind of wireless 4G cameras shock bracket |
| CN108678031A (en) * | 2018-07-01 | 2018-10-19 | 沈阳建筑大学 | A kind of shallow embedding pipe gallery upper load vibration absorber |
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| CN110080297A (en) * | 2019-04-30 | 2019-08-02 | 中国二十二冶集团有限公司 | Pipe gallery node location road subtracts sink device |
| CN110700317A (en) * | 2019-11-19 | 2020-01-17 | 沈阳促晋科技有限公司 | Utility tunnel bears shock-absorbing capacity reinforcing antidetonation system |
| CN212427199U (en) * | 2020-07-10 | 2021-01-29 | 沈阳促晋科技有限公司 | Assembled utility tunnel's shock attenuation watertight fittings |
-
2020
- 2020-07-10 CN CN202010663610.5A patent/CN111733879A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906882A (en) * | 2010-07-06 | 2010-12-08 | 华南理工大学 | Method for carrying out earthquake-resistance and strengthening on traditional masonry structure by using steel parts |
| KR20160030746A (en) * | 2014-09-11 | 2016-03-21 | 한국전력공사 | Seismic reinforcement device for underground structure |
| CN204476431U (en) * | 2015-01-20 | 2015-07-15 | 山西省交通科学研究院 | A kind of flow guiding water-proof plate for tunnel and underground construction |
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